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Posted: 5/1/2015 2:05:32 PM EDT
My understanding is you pay $10 more for the ProChrono so you can see the velocity of each round as opposed to just the high, low and average with the Pal.  I am missing anything?  Which one should I get?
Link Posted: 5/1/2015 4:41:39 PM EDT
For $10, I'd say yes.

The individual velocities allow you to calculate the standard deviation, and they also can help identify why a particular shot didn't perform like the others. Barrel harmonics could change or the distance involved might be long enough  to see a change in POI.

Link Posted: 5/1/2015 5:58:37 PM EDT
The 'regular' ProChrono will calculate SD and ES for you.
From Chuck Hawks:
The sensing units are identical in both models. The extra fifteen bucks you'll pay for the ProChrono Digital nets you nine shot strings, with data automatically compiled for each string: minimum/maximum velocities, standard and extreme deviations, and the ability to connect the optional remote control that comes complete with an infrared printer interface. Both are extremely flexible units, with a velocity range of from 22 fps to 7000 fps. I believe that will cover most firearms available today!
View Quote

For the $10 difference, get the 'regular' non-PAL version.
Link Posted: 5/1/2015 6:39:56 PM EDT
[Last Edit: 5/1/2015 6:42:38 PM EDT by corruptor]
Another vote for the standard version.  For another $15 or so  (assuming you're good with a soldering iron) you can make a cable that will hook it to a Win7 laptop, giving you remote control and the ability to export data.  I jUst used mine today, and it was a wonderful thing.

ETA:  I clocked a carpenter bee at 32FPS today.  Right in the middle of a 10 shot string of .223 rounds...
Link Posted: 5/1/2015 11:49:14 PM EDT
Another vote for the "standard" ProChrono.

Absolutely great piece of equipment.

I'd asked a bunch of questions here on the forums before making the decision to purchase.  The ability to connect it into a laptop during shooting-sessions is an available accessory, and there is supposedly a future cable that will allow it to be tied into a smart-phone.
Link Posted: 5/2/2015 12:04:32 AM EDT
Sounds good, standard it is.
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